package day01;

import java.util.Arrays;

public class Test {
    public static void main(String[] args) {
        /*long l = 0l;
        System.out.println(l);
        int num = 10;
        int sum = 0;
        for(;num<50;num+=10){
            sum+=num;
        }
        System.out.println(num+","+sum);

        for(int i=1,count=0;i<100;i++){
            if(i%3==0){
                System.out.println(i);
                if(++count>=10){
                    break;
                }
            }
        }

        long[] arr = new long[3];
        System.out.println(Arrays.toString(arr));
        */
        String s1 = new String("abc");
        String s2 = s1;
        System.out.println(s2==s1);
        int x=2,y=3;
        switch(x+y){
            case 5:
                System.out.println(1);
                break;
            case 2:
                System.out.println(1);
                break;

        }
    }
}
